?365 days of graet satisfaction?If you have any inquiries regarding this product, please contact the Unigear customer service team. We will get back to you within 24 hours. Make sure your helmet is audio-compatible. And the earphones will effortlessly fit into your helmet slot. Compatible with the following helmets with audio insert slots: Bern, Giro, Smith, Anon, Pro-TEC, Bolle, and more. ?Louder music & longer battery life?Surprisingly loud, the Snowboarding Headphones help you reduce the sound of the wind. Also, it can play for 10 hours on a full battery and covers you with music all day long. ?Glove-friendly button? The Ski Helmet Speakers have an easy control button so people can accurately press the button with ski snow gloves. It allows you to control every feature without removing your device from your helmet, which makes it easy to change, play, or pause tracks, take calls, and use Siri (voice control) through the button. ?True wireless & Bluetooth 5.0? Say goodbye to the earphones that spontaneously knot themselves. The Unigear Wireless Bluetooth headphones adopt the latest Bluetooth 5.0 to maintain a stable connection within ten meters and a faster transmission speed. As a result, you can enjoy conversations and music without audio dropouts or interruptions. ?Proprietary hdr audio tech? Unigear Wireless Ski Helmet Speakers make your music sound like the performer is beside you. Our HDR audio tech and 40mm high-efficiency drivers deliver a premium acoustic experience. Meanwhile, the stirring HDR tech automatically optimizes the lows and highs, providing you with flawless music. control every feature without ever removing your device from your helmet, is easy to change, play or pause tracks or take calls, and use Siri (voice control) through the button.